A 4.23 CARAT DIAMOND RING set with a round brilliant cut diamond of 4.23 carats in a border of ro...

A BROWN DIAMOND DRESS RING in 18ct gold, set with a round brilliant cut diamond of 2.07 carats, within a border of round brilliant cut diamonds, the split band set with further diamonds, all totalling

A DIAMOND CLUSTER RING in 18ct gold, set with a round brilliant cut diamond of 0.36 carats in a border of further diamonds, accented on each side by a round brilliant cut diamond, British hallmarks fo

A COLOMBIAN EMERALD AND DIAMOND RING set with a step cut emerald of 1.14 carats in a border of old cut diamonds, the band set with further old and round brilliant cut diamonds, no assay marks, size O

A CITRINE AND DIAMOND RING set with an oval cut citrine of 28.59 carats, in a border of round brilliant cut diamonds, with further round brilliant cut diamonds set to the band, stamped 750, size K / 5

A DIAMOND ENGAGEMENT RING set with an oval cut diamond of 0.51 carats in a border of round brilliant cut diamonds, the band half set with further round brilliant cut diamonds, no assay marks, size M /

CARTIER, A STAR RUBY AND DIAMOND RING in platinum, set with a cabochon star ruby of approximately 76.03 carats in a border of round brilliant cut diamonds, signed Cartier and numbered, stamped Pt, siz

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 14.29 carats in a border of round brilliant and baguette cut diamonds, the band set with further diamonds, stamped 750, size N / 6,

NO RESERVE - AN UNHEATED RUBY AND DIAMOND RING set with a central round cut ruby of 2.32 carats, within a border of round brilliant cut diamonds, to a bifurcated band, no assay marks, size R / 8.5, 5.

A platinum, diamond, and emerald ring, set with a mixed oval-cut emerald of approximately 1.25 carats, within a millegrain border of round brilliant-cut diamonds and two baguette-cut diamonds, total d

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 2.33 carats in a border of round brilliant cut diamonds, accented by foliate details set with further round brillia

A 14ct yellow gold and yellow diamond halo ring set with a cushion-cut natural fancy intense yellow diamond of 0.92 carats, SI2 clarity, within a halo border of round brilliant-cut diamonds, with diam

A LAVENDER JADE AND DIAMOND RING in 18ct rose gold, set with a polished oval lavender jade of 23.50 carats in a border of round brilliant cut diamonds, further diamonds set to the trifurcated band, th

A GARNET AND DIAMOND RING in 18ct gold, set with an emerald cut garnet of 1.80 carats in a border of round brilliant cut diamonds totalling 0.11 carats, stamped Au750, size O / 7, 4.2g.

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of 5.75 carats, in a border of round brilliant and baguette cut diamonds totalling 1.96 carats, stamped Pt900, size M / 6, 14.0g.

AN EMERALD AND DIAMOND CLUSTER RING in 14ct yellow gold, set with an oval cut emerald of 14.25 carats in a border of round brilliant cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 14

A CHROME TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut chrome green tourmaline of 12.76 carats in a stylised border of round brilliant cut diamonds, partial British hallmarks

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of 3.13 carats in a double border of round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 18K,

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a cushion cut emerald of 8.35 carats, in a double border of round brilliant cut diamonds, accented by trios of marquise cut diamonds, the bifur

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with a step cut aquamarine of 2.31 carats within an abstract border pave set with round brilliant cut diamonds, the diamonds all totalling 2.8-3.

A MOONSTONE, SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a cabochon moonstone totalling 6.90 carats in a double border of round brilliant cut diamonds and round cut sapphires, stamped Au750

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

A RUBY AND DIAMOND COCKTAIL RING in 9ct yellow gold, set with a cabochon ruby of 5.60 carats, in a border of round brilliant cut diamonds, the tapering band accented by two further diamonds, the diamo

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K